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Species MB501004 Ramularia miae Crous 2006   Bibliography: Crous, P.W.; Groeneveld, J.Z., 2006, Fungal Planet no. 3: (more info) Year of publication: 2006 Status of the name: basionym; legitimate MycoBank's opinion: currently used Classification: Fungi, Anamorphic fungi, Ramularia Obligate synonym(s): none Morphic status: Anamorph (teleomorph connection(s) unknown or not recorded) Taxonomic synonym(s): Ordered by epithet name none Descriptions: Latin diagnosis (Crous, P.W.; Groeneveld, J.Z. 2006, Fungal Planet no. 3) Latin diagnosis: Conidiophora fasciculata, levia, hyalina, 2-6-septata, 20-80 x 3-4 ìm. Cellulae conidiogenae sympodialiter proliferentes, 20-40 x 2-3 ìm; loci inspissati, pigmentati, refringentes. Conidia catenulata, hyalina, levia, subcylindrica-fusiformia vel ellipsoidea, 0(-1)-septata; ramoconidia (14-)17-26(-30) x 2.5-3 µm; conidia secundaria (5-)7-10(-15) x 2.5-3 µm; hila inspissata, pigmentata, refringentia. Typus: South Africa, Western Cape Province, Bettie's Bay, Harold Porter Botanical Garden, on leaves of Wachendorfia thyrsiflora, 4 Jan. 2006, collected by M.K. Crous & P.W. Crous, CBS-H 19763, holotypus; cultures ex-type CPC 12736 = CBS 120121, CPC 12737-12738. Original description (Crous, P.W.; Groeneveld, J.Z. 2006, Fungal Planet no. 3) Description: Leaf spots amphigenous, sub-circular, up to 4 mm diam, uniformly black, although older lesions can appear grey at centre due to separation of the cuticle. Mycelium internal, subhyaline, smooth, consisting of branched, septate hyphae, 2-3 µm wide. Caespituli fasciculate, amphigenous, white on leaves, up to 60 µm wide and 90 µm high. Conidiophores aggregated in loose fascicles arising from the upper cells of a brown stroma up to 30 µm wide and 20 µm high; conidiophores hyaline to pale brown towards stroma, smooth, 2-6-septate, subcylindrical, straight to variously curved, unbranched or branched below, 20-80 x 3-4 µm. Conidiogenous cells terminal, unbranched, hyaline, smooth, tapering to flat-tipped apical loci, proliferating sympodially, 20-40 x 2-3 µm; loci thickened, darkened, refractive. Conidia catenulate, in branched chains, hyaline, smooth, but appearing verruculose when mounted in lactic acid, subcylindrical-fusiform to ellipsoid with rounded to attenuated ends, straight, larger conidia somewhat curved, 0(-1)-septate; hila thickened, darkened, refractive; ramoconidia (14-)17-26(-30) x 2.5-3 µm; secondary conidia (5-)7-10(-15) x 2.5-3 µm. Cultural characteristics: Colonies reaching 25 mm diam on 2 % potato-dextrose agar1 (Difco) after 5 weeks at 25 °C; erumpent with moderate grey to white-grey aerial mycelium; margins regular but feathery; colonies grey-olivaceous to smoke-grey with zones of white-grey aerial mycelium; olivaceous-black in centre; colonies fertile. Typus: South Africa, Western Cape Province, Bettie's Bay, Harold Porter Botanical Garden, on leaves of Wachendorfia thyrsiflora, 4 Jan. 2006, collected by M.K. Crous & P.W. Crous, CBS-H 19763, holotypus; cultures ex-type CPC 12736 = CBS 120121, CPC 12737-12738. Etymology Named after its collector, Mia Karina Crous (age 6), who collected diseased leaves with great enthusiasm! Date entered: 05/06/2006 01:38:32 Entered by: Mycobank administration Illustration #1: Description: Conidia Author(s): Crous Illustration #2: Description: Conidia Author(s): P. Crous Illustration #3: Description: Conidia Author(s): P. Crous Illustration #4: Description: Conidia Author(s): P. Crous Illustration #5: Description: Conidiophores Author(s): P. Crous Illustration #6: Description: Conidiophores Author(s): P. Crous Illustration #7: Description: Conidiophores Author(s): P. Crous Illustration #8: Description: Fascicles on host Author(s): P. Crous Illustration #9: Description: Fascicles on host Author(s): P. Crous Type specimen Herbarium number: CBS H-19763 Collected by: M.K. Crous & P.W. Crous, 2006 Substrate: Wachendorfia thyrsifolia, leaves Location: South Africa, Western Cape Province, Bettie's Bay, Harold Porter Botanical Garden